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Published on: June 11, 2019
Left ventricular thrombosis is associated with increased mean platelet volume in patients with dilated cardiomyopathy
Mehmet Birhan Yilmaz1, Yesim Akin, Senay Funda Biyikoglu
1Yuksek Ihtisas Hospital, Cardiology Clinic, Sihhiye, Ankara, Turkey. cardioceptor@ttnet.net.tr
Insights
Mean platelet volume, a marker of platelet reactivity, is significantly higher in patients with dilated cardiomyopathy and left ventricular thrombosis. This finding suggests a potential link requiring further investigation into antiplatelet therapies.
Area of Science:
- Cardiology
- Hematology
- Thrombosis Research
Background:
- Dilated cardiomyopathy is linked to left ventricular thrombosis, a major cause of peripheral emboli and mortality.
- Altered hemostasis and platelet behavior are observed in dilated cardiomyopathy patients, even in sinus rhythm.
Purpose of the Study:
- To investigate the association between mean platelet volume and left ventricular thrombosis in patients with dilated cardiomyopathy.
- To determine if mean platelet volume can serve as a predictor of left ventricular thrombosis.
Main Methods:
- Prospective enrollment of 48 consecutive patients with dilated cardiomyopathy and sinus rhythm.
- Comparison of patients with left ventricular thrombosis against an age-sex-matched control group without left ventricular thrombosis.
Main Results:
- Patients with left ventricular thrombosis exhibited significantly higher mean platelet volume (9.5 +/- 0.8) compared to controls (8.7 +/- 0.6, p < 0.001).
- Mean platelet volume is elevated in dilated cardiomyopathy patients with left ventricular thrombosis.
Conclusions:
- Increased mean platelet volume in dilated cardiomyopathy patients with left ventricular thrombosis may indicate a causal relationship.
- Further research is warranted to explore the role of antiplatelet agents in preventing and treating left ventricular thrombosis in this population.
Objective:
Dilated cardiomyopathy has been associated with left ventricular thrombosis, which leads to substantial morbidity and mortality as a site for peripheral emboli. There are some studies on patients with dilated cardiomyopathy showing altered haemostasis and platelet behaviour despite sinus rhythm. Mean platelet volume, which is the most accurate and simple estimate of platelet reactivity, may be associated with the development of left ventricular thrombosis.
Methods And Results:
We prospectively enrolled 48 consecutive patients with dilated cardiomyopathy and sinus rhythm with left ventricular thrombosis and compared them with an age-sex-matched control group having dilated cardiomyopathy without left ventricular thrombosis. We found that in patients with left ventricular thrombosis mean platelet volume is significantly higher than those without (9.5 +/- 0.8 vs. 8.7 +/- 0.6, p < 0.001).
Conclusions:
Mean platelet volume is increased in patients with dilated cardiomyopathy and sinus rhythm having left ventricular thrombosis. This might be reflecting a causal relationship, which in turn requires further study to establish the role of antiplatelet agents both in prevention and in treatment.
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